Area Code 712-473 located in DOON, LYON, IA, more detail is as below. Place NPA (Numbering Plan Area) : 712 NXX (Local Number Prefix) : 473 City : DOON County : LYON State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 19119 LATA (Local Access Transport Area) : 630 Rate Center : ALVORD ZIP Code Count : 12 ZIP Code Frequency : 6 ZIP Code : 51235 Other Information NPANXX : 712473 Switch CLLI (Common Language Location Identifier) : ALVRIAXORS4 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - IA OCN (Operating Company Number) : 1405 Coverage Area Name : ALVORD Latitude : 43.3319 Longitude : -96.3105 ‹ previous : 712-473 next › : 712-473 Telephone Number List 712-473-0000 ~ 712-473-9999